(4) Connecticut (a) AEC regulations followed closely (bv) Stricter than the AEC in the area of thirteenweek exposure rule (c) (5) Yearly exposure formula suggested by NCRP adopted Massachusetts follows AEC regulations very closely but does not deal with problems of waste disposal (6) Michigan (a) Levels established by AEC generally adhered to (b) Considerably lower permissible levels than AEC for radiographic activities (c) (7) Yearly exposure limit formula adopted Minnesota - the first state to require licenses for both the construction and operation of reactors and nuciear facilities 10. Other states have adopted some or partial, rather than comprehensive, regulations a. Most incorporate weekly or daily exposure limits b. Levels differ from NCRP (1) Exposure limits for noncritical organs are more re- strictive than those of NCRP (2) Doses permitted over a long period are less restrictive than NCRP Most of these regulations establish weekly permissible exposure DOARCHIVES

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